150 results about "Aerosol deposition" patented technology

The present disclosure relates to systems, methods, and devices for controlling delivery of aerosolized formulations to patients in need of treatment, which optimizes aerosol deposition to the respiratory tract of the patient and can be adapted for use in spontaneously breathing patients or in those requiring mechanical ventilation.

An aerosol transfer device (10) for medical aerosol generators comprises a body (12), fluidically coupled to a nebulizer (14) and to a patient interface (16). An ambient air intake (20) is formed into a lower body (12C). The body is shaped and configured to optimize mixing of ambient air from the ambient air intake and the aerosol generated by the nebulizer, resulting in the formation of an aerosol plume having optimum characteristics for delivery of the aerosol to the patient's pulmonary system, such as the central or deep lung regions. The shape and dimensions of the body are further designed to minimize aerosol deposition, thus improving delivery efficiency.

An inductor element includes a substrate of magnetic material, a coil, and a layer of magnetic material. The coil of conductive material is formed on the substrate. The layer of magnetic material is so formed by aerosol deposition as to enclose the coil on the substrate of magnetic material.

An example quantum dot (QD) device comprises a QD layer on a substrate, and may be fabricated by aerosol deposition, for example by mist deposition. An example approach includes providing a liquid precursor including QDs dispersed in a liquid carrier, generating a mist of droplets of the liquid precursor, directing the droplets towards the substrate so as to form a liquid precursor film on the substrate, and removing the liquid carrier from the liquid precursor film to form the quantum dot layer on the substrate. Example devices include multi-color QD-LED (light emitting diode) displays, and other devices.

An insulating substrate includes a metal base as a base member, an insulating layer which is a room temperature, aerosol deposited shock solidification film formed on the metal base, and a circuit pattern which is a cold sprayed thermal spray coating formed on the insulating layer. A semiconductor device incorporates the insulating substrate, and thereby has improved heat radiation characteristics.

Embodiments of the present invention provide a method for low temperature aerosol deposition of a plasma resistive layer on semiconductor chamber components / parts. In one embodiment, the method for low temperature aerosol deposition includes forming an aerosol of fine particles in an aerosol generator, dispensing the aerosol from the aerosol generator into a processing chamber toward a surface of a substrate, maintaining the substrate temperature at between about 0 degrees Celsius and 50 degrees Celsius, and depositing a layer from material in the aerosol on the substrate surface.

An electrostatic chuck includes: a mounting surface on which a workpiece is to be mounted, the mounting surface including a polycrystalline structure formed by aerosol deposition, the polycrystalline structure having a protrusion on its surface. At least the protrusion contains yttria (Y2O3).

A family of spray suspensions for aerosol deposition of green ceramic layers that subsequently can be sintered to produce both dense and porous ceramic layers. The suspensions comprise a nonazeotropic solvent mixture, a ceramic powder, a dispersant, and a an organic binder. The invention also includes methods for depositing coatings of these ceramic suspensions on a substrate, either singly or sequentially, to form electrochemically efficient multilayer structures that can be economically co-sintered. The suspensions and deposition approach allow formation of thin layers of varying microstructure and composition in the sintered state. The suspensions and deposition approach are likely to be useful in the fabrication of electrochemical devices.

Face masks for use in pressurized drug delivery applications, such as aerosol drug delivery systems, and a method of reducing aerosol deposition in the region of the eyes are presented. The face masks according to the various embodiments disclosed herein contain features that reduce the inertia of the aerosolized drug in perinasal areas. This results in a reduction in the amount of aerosolized drug that is deposited in the region of the eyes by inertial impaction, while at the same time, the features are constructed to maintain the flow of the aerosolized drug into the face mask so that the aerosolized drug is effectively delivered to the respiratory system of the patient.

A film formation apparatus by which a film thickness can be precisely measured and whether the film quality is good or bad can be confirmed in a process of performing film formation according to the aerosol deposition method. The film formation apparatus includes: an aerosol generating unit for generating an aerosol by dispersing a raw material powder by a gas; a holding unit for holding a substrate on which a structure is to be formed; a nozzle for injecting the aerosol generated by the aerosol generating unit toward the substrate; and a measurement unit for measuring an electric potential of a film formation surface on the substrate.

A method for forming a nanowhisker of, e.g., a III-V semiconductor material on a silicon substrate, comprises: preparing a surface of the silicon substrate with measures including passivating the substrate surface by HF etching, so that the substrate surface is essentially atomically flat. Catalytic particles on the substrate surface are deposited from an aerosol; the substrate is annealed; and gases for a MOVPE process are introduced into the atmosphere surrounding the substrate, so that nanowhiskers are grown by the VLS mechanism. In the grown nanowhisker, the crystal directions of the substrate are transferred to the epitaxial crystal planes at the base of the nanowhisker and adjacent the substrate surface. A segment of an optically active material may be formed within the nanowhisker and bounded by heterojunctions so as to create a quantum well wherein the height of the quantum well is much greater than the thermal energy at room temperature, whereby the luminescence properties of the segment remain constant without quenching from cryogenic temperatures up to room temperature.

A dielectric device of higher performance is provided. An electron emitter, to which the dielectric device is applied is provided with: an emitter including a dielectric; and an upper electrode and a lower electrode to which drive voltage is applied in order to emit electrons. The emitter is formed by the aerosol deposition method or the sol impregnation method.

Face masks for use in pressurized drug delivery applications, such as aerosol drug delivery systems, and a method of reducing aerosol deposition in the region of the eyes are presented. The face masks according to the various embodiments disclosed herein contain features that reduce the inertia of the aerosolized drug in perinasal areas. This results in a reduction in the amount of aerosolized drug that is deposited in the region of the eyes by inertial impaction, while at the same time, the features are constructed to maintain the flow of the aerosolized drug into the face mask so that the aerosolized drug is effectively delivered to the respiratory system of the patient.

Employing a LED which emits light via excitation with UV light, particularly the foregoing high-power LED, disclosed are a white LED exhibiting high reliability and longer operating life, and a method of manufacturing the white LED. Also disclosed are a white light emitting diode possessing a phosphor layer which emits light via excitation with UV light, wherein the phosphor layer consists of phosphor, or possesses phosphor and transparent inorganic oxide, and a method of manufacturing the white light emitting diode, possessing the step of making phosphor particles to collide with a light emitting diode at high speed to deposit the phosphor layer, employing an aerosol deposition process.

Face masks for use in pressurized drug delivery applications, such as aerosol drug delivery systems, and a method of reducing aerosol deposition in the region of the eyes are presented. The face masks according to the various embodiments disclosed herein contain features that reduce the inertia of the aerosolized drug in perinasal areas. This results in a reduction in the amount of aerosolized drug that is deposited in the region of the eyes by inertial impaction, while at the same time, the features are constructed to maintain the flow of the aerosolized drug into the face mask so that the aerosolized drug is effectively delivered to the respiratory system of the patient.

An example quantum dot (QD) device comprises a QD layer on a substrate, and may be fabricated by aerosol deposition, for example by mist deposition. An example approach includes providing a liquid precursor including QDs dispersed in a liquid carrier, generating a mist of droplets of the liquid precursor, directing the droplets towards the substrate so as to form a liquid precursor film on the substrate, and removing the liquid carrier from the liquid precursor film to form the quantum dot layer on the substrate. Example devices include multi-color QD-LED (light emitting diode) displays, and other devices.

Laser light emitted from a vertically confined surface emitting laser (VCSEL) is incident on a side surface near an end region of an optical waveguide. The end region of the optical waveguide is processed by polishing to taper at an angle of 45 degrees, and an optical modulator is formed on the polished surface. The optical modulator is a Fabry-Perot modulator using a linear electro-optical effect. The modulator has a thick transparent electro-optical layer which is deposited by using an aerosol deposition method.

The invention provides an environment wind tunnel simulation experiment device and an experiment detection method thereof. The experiment device comprises a wind tunnel and a mobile measurement framearranged in the wind tunnel. The wind tunnel comprises a collector, a power section, a large-angle diffusion section, a stabilization section, a contraction section, a test section, a diffusion section and an exit diffusion section. The length, width and height of the test section are 28m*5m*3.5 m; the overall length of the whole wind tunnel body is 71.1m; and the wind tunnel is a straight-flow blowing type wind tunnel. The environment wind tunnel in the scheme can finish simulation study of migration and diffusion of pollutants in the atmosphere: wind tunnel simulation of a large scale model,complex terrain influence, simulation study of mesoscale leeward slope, study of influence of rainfall and snowfall on diffusion of pollutants, aerosol deposition and resuspension characteristic research and study of city region pollutant migration and diffusion rules and the like. The experiment device can finish study of transmission and diffusion of pollutants in the atmospheric boundary layerand wet and dry deposition of aerosol.

A dielectric device of higher performance is provided. An electron emitter, to which the dielectric device is applied is provided with: an emitter including a dielectric; and an upper electrode and a lower electrode to which drive voltage is applied in order to emit electrons. The emitter is formed by the aerosol deposition method or the sol impregnation method, and the surface roughness of the upper surface thereof is controlled in the range from 0.1 to 3 in Ra.

An insulating substrate includes a metal base as a base member, an insulating layer which is a room temperature, aerosol deposited shock solidification film formed on the metal base, and a circuit pattern which is a cold sprayed thermal spray coating formed on the insulating layer. A semiconductor device incorporates the insulating substrate, and thereby has improved heat radiation characteristics.

The invention discloses a method used for detecting atmospheric heavy metal pollutants based on laser-induced-breakdown spectroscopy. According to the method, a vacuum pump is used for sample collection of atmosphere containing suspended particulate matters; a filtration device provided with a solid filter membrane is used for absorbing the suspended particulate matters in the atmosphere so as to form a relatively stable aerosol deposition layer on the solid filter membrane; the aerosol deposition layer comprises a plurality of solid particles and liquid particles suspended in the atmosphere; breakdown of the aerosol deposition layer on the solid filter membrane is realized via laser beam induction, and distribution and content information of heavy metal elements in atmospheric particulate pollutants is obtained via analysis on aerosol plasma spectrum signals. The method is capable of changing gas detection to solid detection, increasing emission intensity of laser plasma spectrums, prolonging plasma spectrum emission time, and increasing detection limit of heavy metal elements in the atmospheric particulate pollutants, and is suitable for analysis and detection of a plurality of heavy metal elements in gaseous states in the samples.

A uniform aerosol deposit sampling device includes a first housing and a second housing. The first housing has an air inlet and a first chamber. The second housing has an air outlet, an second chamber, a filter holder and a flow guiding portion. The filter holder is provided for securing an air-penetratable supporting pad and a filter media. The flow guiding portion is a substantially conical and gradually narrowing. The flow guiding portion has a semi-conical angle ranged from 15 to 85 degrees. So, the flow guiding portion makes the entire air flow smooth and evenly distributed. The aerosols will be evenly distributed and uniformly deposited on the filter media. And, it is easy to evaluate the amount and composition of the aerosols.

A material composed of brittle material fine particles, such as ceramic or metalloid fine particles, for forming a composite structure on a substrate surface. The brittle material is pretreated to achieve a specific size range of fine particles and to develop a desired range of internal strain therein. The brittle material fine particles are adapted to form an aerosol with a gas stream, and when the aerosol is ejected to collide with a substrate surface, this causes collision of brittle material fine particles with a substrate surface thus imparting a mechanical impact to the fine particles. Such mechanical impact fractures or deforms the particles, and thereby generates an active new surface for brittle material fine particles after being fractured or deformed.

A method of manufacturing an orientation film which method is suitable for manufacturing an orientation film containing a ceramic at low cost. The method includes the steps of: (a) forming a ceramic film on a seed substrate in which crystal orientation is controlled at least on a surface thereof by using an aerosol deposition method of injecting powder toward a substrate and depositing the powder on the substrate; and (b) heat-treating the ceramic film formed at step (a) to form an orientation film in which crystal grains contained in the ceramic film is oriented.

A circuit substrate includes a passive element and an interconnection pattern, wherein any of the passive element and the interconnection pattern is formed by an aerosol deposition process that uses aerosol of a fine particle material.

The present disclosure relates to a plasma resistant coating film and a fabricating method thereof, more particularly a plasma resistant coating film and a fabricating method thereof which can secure chemical resistance by means of, after thermally spraying the first rare earth metal compound, double sealing through aerosol deposition and hydration, thereby minimizing open channels and open pores in the coating layer and plasma corrosion resistance by means of the dense rare earth metal compound coating film.

Embodiments of the present invention provide a method of low temperature air flotation deposition of a plasma resistant layer on semiconductor chamber components / parts. In one embodiment, a method for low temperature air flotation deposition comprises forming an air flotation of fine particles in an air flotation generator, distributing said air flotation from the generator into a processing chamber towards a substrate surface, maintaining the The substrate temperature is between about 0 degrees Celsius and 50 degrees Celsius, and a layer of material from the air flotation is deposited on the substrate surface.

In order to provide a substrate for light emitting devices having high heat radiating properties, dielectric strength voltage properties, light reflectivity, and excellent mass productivity, a substrate (5) includes an intermediate layer (11) containing ceramic which is formed on the surface of the aluminum base (10) by using an aerosol deposition method.

The invention provides a method for laser desorption and ionization, and relates to detection of organic compounds. The invention provides a method for laser desorption and ionization of an organic compound. According to the method, a laser light source is adopted to irradiate the surface of a sample to form a crater; organic compound molecules around the crater are subjected to thermal desorption, such that the organic compound is desorbed into the gas molecules; collision is generated between the desorbed molecules and the high energy electrons or protons generated by the laser, such that the desorbed molecules are subjected to ionization to form the molecular ions with the free radicals form, and the like; a mass analyzer is adopted to analyze the molecular ions with the free radicals form, and the like. With the method, organic solid samples, organic powder samples, inorganic or organic coated organic core particles, organic liquid residues, organic gas sediments, aerosol sediments and the like can be directly analyzed; the matrix-assisted ionization is not required so as to prevent the sample from contaminating, and a wide application range is provided; more ions and fragmentation information can be acquired during the organic compound detection process so as to simplify the identification process of the sample.